JESR 2019, 18(S1): 70-76

Original Article in Journal of Economic and Social Research


Authors: Mahshid Fakhraie Lahiji1, Sasan Keshavarz2, Mahyar Abedi2, Hormoz Asadi2

1 Corresponding Author, Scientific members of Vegetable Research Center, Seed and Plant Improvement Institute(SPII), Agricultural Research, Education and Extension Organization (AREEO ), Karaj, Iran
2 Scientific members of Vegetable Research Center, Seed and Plant Improvement Institute(SPII), Agricultural Research, Education and Extension Organization (AREEO ), Karaj, Iran

Tomato is one of the most fruit vegetables of the family Solanaceae, grown in Iran. Based on the area under cultivation and production is positioned sixth in the worlds. For getting optimum yield, it is important to take care of every production practice starting from nursery stage to harvesting. The objective of this study was Agronomy and economical study of different methods on seedling of tomatoes varieties. In order to evaluate the effect of various tomato production methods and different substrates on three commercial tomato cultivars, two experiments formulated and designed factorial in a randomized block design (RCBD) during the years 2014-2016 in the farm of Seed and plant improvement Institute (SPII). In the first experiment, two factors cultivar (Orbana, Chflat and kaljn3 cultivars) and production methods investigated at three levels (seedling tray, traditional or conventional methods, and degradable pots). In the second experiment, three above-mentioned cultivars as the first factor (cultivar) combined with the factor of substrates on 20 levels. In both experiments, in order to select the best treatments, economic analysis doing by partial budgeting technique. According to the results, investigation of two factors (variety and methods) based on agronomy and economical showed that the use of seedling trays compared to other methods was significantly and economy. The statistical analysis showed no significant difference between methods of production and the interaction between cultivar × methods. In the second experiment, in the compound analysis variance table, no significant interactions were evaluated, no significant interactions were evaluated in the compound analysis table, but the results of the mean comparison indicated that better results were obtained from the use of Earlyorbana × Sand + Pit Mouse treatment (group a). The treatments were favorable for fruit traits, fruit diameter, single fruit weight, soluble solids content, sugar content, and lycopene percentage. In between different varieties, Orbana variety in Soil+ Perlit+ Peatmoss+ Cocopeat treatment was estimated the best net income.
Key words: Biodegradable pots, Economical Assessment, Production methods, Tomato cultivars, yield


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